
Shure UA874US Active Directional Antenna

Expected May 31, 2025
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Shure UA874US Active Directional Antenna
Experience improved wireless reception with the UA874. This UHF antenna uses a log periodic dipole array to produce a cardioid pattern toward the desired coverage area, achieving greater rejection of RF signals outside the area than standard ½ wave omnidirectional antennas.
An integrated amplifier with four gain settings compensates for varying degrees of coaxial cable signal loss.
The UA874 can be stand-mounted, suspended from the ceiling, or wall-mounted using the included swivel adapter bracket.
- Compatible with all Shure wireless receivers and antenna distribution systems that provide 12 V DC bias.
- Four-position gain selector switch.
- Low-noise signal amplifier that compensates for transmission loss in coaxial cable.
- Integrated threaded adapter that mounts easily to microphones stands.
- Legendary Shure build quality and reliability.
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The UA874US Box Includes:
(1) Shure UA874US Active Directional Antenna
(1) Swivel adapter bracket
(1) User guide